Troy NH's Local Insulation Company
At Farnum Insulators, we insulate homes across Troy and surrounding areas. Since 2003, we've helped homeowners here feel the difference in comfort all year long.
Spray Foam & Cellulose Insulation for Troy, New Hampshire Homes
We handle spray foam and cellulose insulation. Where in the house it's needed shapes our recommendation, with cellulose up top and spray foam in basements and crawl spaces.
Spray Foam Insulation
A basement or crawl space needs insulation that handles damp conditions. Spray foam does that and delivers a higher R-value along the way.
Cellulose Insulation
Cellulose is our pick for the attic. We blow it in so it reaches the gaps around framing and wiring, and it’s made from recycled material.
How We Insulate Your Troy Home
1
We Start With a Free Quote
The first step is a free visit from our team. While we're there, we see firsthand what each part of the house needs.
2
We Build a Custom Plan
Using what we learned on site, we build a custom plan. It covers the areas we'll insulate and the material we'll use in each one.
3
Installation, Done Right
Next comes the installation. Our crew handles every detail and walks you through the finished work before heading out.
4
Feel a Steadier Home
Once the insulation is in, you get year-round comfort: a home that stays warmer in winter and cooler in summer, with less demand on your heating system.
Recent Insulation Projects
Bring Modern Comfort to Your Troy Home
Let's make your home more comfortable and easier to heat, with a plan built around your house.
The Reputation Farnum Has Built
When you hire us, you get a team with:
- Certification from the Building Performance Institute
- An A++ rating from the BBB
- Recognition as Efficiency Vermont's 2022 Partner of the Year
What Our Customers Are Saying
Discover why Farnum Insulators is the #1 top-rated insulation company in Southeastern VT & Southwestern NH!
Serving Troy and the Heart of the Monadnock Region
We serve Troy, New Hampshire, including Marlborough, Jaffrey, Fitzwilliam, and Swanzey. If you don't see your town listed, reach out. We likely still cover your area.
Helpful Insulation Resources
Stay updated with the latest news, expert tips, and trends in insulation.
Frequently Asked Questions
Are homes near the old Troy Mills complex harder to insulate than newer construction?
Older construction can take more planning, and our crew works with it regularly. We fit the insulation to each space.
Should my Troy home use spray foam or cellulose insulation?
Usually both. Spray foam goes in basements and crawl spaces, and cellulose goes in the attic.
Are there rebates available for insulation work in Troy?
Rebates and incentives vary by utility and program. Reach out and we'll help you find what may apply.
Will insulation make a real difference this close to Mount Monadnock?
Yes. Good insulation helps your home stay comfortable and hold its heat through the coldest months.





